2x2 systems of equations
Step1: Multiply first equation by 5 and second by 2. After simplifying we have: Step2: add the two equations together to eliminate from the system. Step 3: substitute the value for x into
Step1: Multiply first equation by 5 and second by 2. After simplifying we have: Step2: add the two equations together to eliminate from the system. Step 3: substitute the value for x into
Consider this system of 2 equations: x+y =1 x+y =2 x + y = 1 x + y = 2. If we try to solve them in the same way as before: From the first equation, get x on its own: x = 1−y x = 1 −
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4.4: Applications of 2×2 Systems of Equations Set up and solve a linear system of equations by direct translation Use linear systems to solve value problems Use linear systems to solve
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